[English | Japanese]

Namazu: a Full-Text Search Engine

What's Namazu

Namazu is a full-text search engine intended for easy use. Not only does it work as a small or medium scale Web search engine, but also as a personal search system for email or other files.

(The Japanese word `Namazu' means `catfish' in English.)


Table of contents



For searching a great amount of documents quickly, Namazu makes an index in advance. The concept of index is just similar to an index of book.

Namazu is being developed by Namazu Project. Namazu will work on UNIX, Win32 and OS/2 environments. For Win32, you can find Namazu for Win32: a Full-Text Search Engine page. For OS/2, OS/2 port of Namazu a full text retrieval search system is maintained by Shimizu-san. Each page provides binary package also.

Not only with cgi interface of Web, it works on command line as namazu. Other frontends are also available from other sources, such as namazu.el and Wanderlust on Emacs, Tknamazu on X Window System and Search-S on Win32.

Filters enable namazu to index various formats of files. Mail/News filter works with no additives, some other type requires third partie's filter executable although the calling capabilites included in Namazu package.


Namazu is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version (Frequently Asked Questions about the GNU GPL).

Namazu is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.


Stable source code

Distributed files are signed by PGP since Namazu 2.0.13. It is signed by the TADAMASA Teranishi's personal key (ID: 0x10E7D14E, Key fingerprint = 474E 4D93 8E97 11F6 662D 8A42 17F5 52F4 10E7 D. You can get the key from http://www.openpksd.org/, http://pgp.nic.ad.jp/pgp/, http://pgp.mit.edu/ and/or http://pgp.dtype.org/

Distributed files are signed by GnuPG since Namazu 2.0.6. It is signed by the NOKUBI Takatsugu's personal key (ID: C2CE8099, fingerprint = BDD7 23BB B724 1FA2 1BB3 2EC0 2BA8 2602 C2CE 8099). You can get the key from pgp.dtype.org and/or db.debian.org.

deb packages for Debian GNU/Linux

NetBSD packages

Namazu Homepage
Hardware and Network resources are sponsored by OSDN.

Former hardware and Network resources were sponsored by NetVillage Co.,Ltd.

$Id: index.html.en,v 1.107 2014-01-25 21:52:10 opengl2772 Exp $